125530673 has 4 divisors (see below), whose sum is σ = 126941220. Its totient is φ = 124120128.

The previous prime is 125530661. The next prime is 125530681. The reversal of 125530673 is 376035521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376035521 = 1861 ⋅202061.

It can be written as a sum of positive squares in 2 ways, for example, as 14691889 + 110838784 = 3833^2 + 10528^2 .

It is a cyclic number.

It is not a de Polignac number, because 125530673 - 2⁶ = 125530609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125530693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705140 + ... + 705317.

It is an arithmetic number, because the mean of its divisors is an integer number (31735305).

Almost surely, 2^125530673 is an apocalyptic number.

It is an amenable number.

125530673 is a deficient number, since it is larger than the sum of its proper divisors (1410547).

125530673 is an equidigital number, since it uses as much as digits as its factorization.

125530673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410546.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 125530673 is about 11204.0471705540. The cubic root of 125530673 is about 500.7065650613.

The spelling of 125530673 in words is "one hundred twenty-five million, five hundred thirty thousand, six hundred seventy-three".